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Finding the Fourth Proportional to 26,262.54, 39,393.86 and 7,794.54

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Solution

The fourth proportional to 26,262.54, 39,393.86 and 7,794.54 is: 11,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,262.54 : 39,393.86 = 7,794.54 : x
  2. Step 2: Convert to fraction form
    26,262.54/39,393.86 = 7,794.54/x
  3. Step 3: Cross multiply
    26,262.54x = 39,393.86 × 7,794.54
  4. Step 4: Simplify right side
    26,262.54x = 307,056,978.55
  5. Step 5: Solve for x
    x = 307,056,978.55/26,262.54
  6. Step 6: Final answer
    x = 11,691.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.